100115537 has 2 divisors, whose sum is σ = 100115538. Its totient is φ = 100115536.

The previous prime is 100115531. The next prime is 100115539. The reversal of 100115537 is 735511001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91565761 + 8549776 = 9569^2 + 2924^2 .

It is a cyclic number.

It is not a de Polignac number, because 100115537 - 2⁶ = 100115473 is a prime.

Together with 100115539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100115531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50057768 + 50057769.

It is an arithmetic number, because the mean of its divisors is an integer number (50057769).

Almost surely, 2^100115537 is an apocalyptic number.

It is an amenable number.

100115537 is a deficient number, since it is larger than the sum of its proper divisors (1).

100115537 is an equidigital number, since it uses as much as digits as its factorization.

100115537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 100115537 is about 10005.7751823634. The cubic root of 100115537 is about 464.3375729778.

Adding to 100115537 its reverse (735511001), we get a palindrome (835626538).

The spelling of 100115537 in words is "one hundred million, one hundred fifteen thousand, five hundred thirty-seven".